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Contribute.js
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Contribute.js
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import React, { useEffect, useState } from 'react';
import { Form, Grid, Input } from 'semantic-ui-react';
import { TxButton } from './substrate-lib/components';
import { useSubstrate } from './substrate-lib';
// import { Element } from 'react-scroll';
import './css/styles.module.css';
// import krakenLogo, { ReactComponent as Kraken } from './css/Exchanges/kraken-vector-logo.svg';
// import kucoin from './css/Exchanges/KUCOIN.svg';
// import okex from './css/Exchanges/okex.svg';
// import { ReactComponent as Kucoin } from './css/Exchanges/KUCOIN.svg';
// import { ReactComponent as Okex } from './css/Exchanges/okex.svg';
import config from './config';
export default function Main (props) {
const [status, setStatus] = useState(null);
const [formState, setFormState] = useState({ addressTo: null, amount: 0 });
// eslint-disable-next-line no-unused-vars
const { accountPair } = props;
// eslint-disable-next-line no-unused-vars
const [disableButton, setDisableButton] = useState(true);
const { api } = useSubstrate();
const [blockNumber, setBlockNumber] = useState(0);
const [crowdLoanData, setCrowdLoanData] = useState({});
// eslint-disable-next-line no-unused-vars
const { amount } = formState;
const paraId = config.PARACHAIN_ID;
// eslint-disable-next-line no-unused-vars
const onChange = (_, data) => {
setFormState(prev => ({ ...prev, [data.state]: data.value }));
if (data.value === '' || data.value <= 0) {
setDisableButton(true);
} else {
setDisableButton(false);
}
};
const bestNumber = api.derive.chain.bestNumber;
useEffect(() => {
let unsubscribeAll = null;
bestNumber(number => {
setBlockNumber(number.toNumber());
})
.then(unsub => {
unsubscribeAll = unsub;
})
.catch(console.error);
return () => unsubscribeAll && unsubscribeAll();
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [bestNumber]);
useEffect(() => {
if (crowdLoanData && blockNumber >= crowdLoanData.end && blockNumber > 0 && Object.keys(crowdLoanData).length !== 0) {
setDisableButton(true);
setStatus('crowdloan has ended');
}
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [blockNumber]);
useEffect(() => {
const queryResHandler = result => {
setCrowdLoanData(result.toJSON());
};
const crowdLoan = async () => {
await api.query.crowdloan.funds([paraId], queryResHandler);
};
crowdLoan();
// eslint-disable-next-line react-hooks/exhaustive-deps
}, []);
return (
<div className='contribute'>
<div className='text'>
<span>2 WAYS TO TAKE PART</span>
<h1>Participate in the <br />Integritee Crowdloan!</h1>
<Grid>
<Grid.Column width={8}>
<span>ON THIS SITE</span>
<h3>INTEGRITEE</h3>
<span>THROUGH AN EXCHANGE</span>
{/* <img src={kraken} width={300} height={100}></img>
<img src={kucoin} width={300} height={100}></img>
<img src={okex}></img> */}
{/* <img
src={krakenLogo}
style={{ width: 200, maginTop: '0px' }}
alt="website logo"
/> */}
{/* <Kraken position='left' style={{ width: '200' }} />
<Kucoin position='left' style={{ width: '200' }} />
<Okex position='left' style={{ width: '200' }} /> */}
</Grid.Column>
<Grid.Column style={{ padding: '0' }} id='contribute' width={8}>
<h1 style={{ marginTop: 40 }}>On this site</h1>
<p>1. Download the Polkadot Browser extension for Chrome/Firefox <a href='https://polkadot.js.org/extension/'>here</a>.</p>
<p>2. Ensure that you have KSM in your Polkadot.js account.</p>
<p>3. Unbond your KSM. See further details here.</p>
<Form>
<Form.Field>
<Input
fluid
label='KSM To Lock Up'
type='number'
default='Enter KSM Amount'
value={amount}
state='amount'
step='0.1'
min={0.1}
onChange={onChange}
/>
</Form.Field>
<Form.Field style={{ textAlign: 'left' }}>
<TxButton
accountPair={accountPair}
label='Participate Now!'
type='SIGNED-TX'
setStatus={setStatus}
attrs={{
palletRpc: 'crowdloan',
callable: 'contribute',
inputParams: [paraId, amount * Math.pow(10, 12), null],
paramFields: [true, true, false],
disableButton: disableButton
}}
/>
</Form.Field>
<div style={{ overflowWrap: 'break-word' }}>{status}</div>
</Form>
</Grid.Column>
</Grid>
</div>
</div>
);
}